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VZ		 1<HTML>
2<HEAD>
3<TITLE>
4 Changes in TIFF v3.8.0
5</TITLE>
6</HEAD>
7
8<BODY BGCOLOR=white>
9<FONT FACE="Helvetica, Arial, Sans">
10<FONT FACE="Helvetica, Arial, Sans">
11
12<BASEFONT SIZE=4>
13<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B>
14<BASEFONT SIZE=3>
15
16<UL>
17<HR SIZE=4 WIDTH=65% ALIGN=left>
18<B>Current Version</B>: v3.8.0<BR>
19<B>Previous Version</B>: <A HREF=v3.7.4.html>v3.7.4</a><BR>
20<B>Master FTP Site</B>: <A HREF="ftp://ftp.remotesensing.org/pub/libtiff">
21ftp.remotesensing.org</a>, directory pub/libtiff</A><BR>
22<B>Master HTTP Site</B>: <A HREF="http://www.remotesensing.org/libtiff">
23http://www.remotesensing.org/libtiff</a>
24<HR SIZE=4 WIDTH=65% ALIGN=left>
25</UL>
26
27<P>
28This document describes the changes made to the software between the
29<I>previous</I> and <I>current</I> versions (see above).
30If you don't find something listed here, then it was not done in this
31timeframe, or it was not considered important enough to be mentioned.
32The following information is located here:
33<UL>
34<LI><A HREF="#hightlights">Major Changes</A>
35<LI><A HREF="#configure">Changes in the software configuration</A>
36<LI><A HREF="#libtiff">Changes in libtiff</A>
37<LI><A HREF="#tools">Changes in the tools</A>
38<LI><A HREF="#contrib">Changes in the contrib area</A>
39</UL>
40<p>
41<P><HR WIDTH=65% ALIGN=left>
42
43<!--------------------------------------------------------------------------->
44
45<A NAME="highlights"><B><FONT SIZE=+3>M</FONT>AJOR CHANGES:</B></A>
46
47<UL>
48 <li> Read-only support for custom directories (e.g. EXIF directory).
49
50 <li> Preliminary support for MS MDI format.
51</UL>
52
53
54<P><HR WIDTH=65% ALIGN=left>
55<!--------------------------------------------------------------------------->
56
57<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
58
59<UL>
60 <li> Make the default strip size configurable via the
61 --with-default-strip-size and STRIP_SIZE_DEFAULT options.
62</UL>
63
64<P><HR WIDTH=65% ALIGN=left>
65
66<!--------------------------------------------------------------------------->
67
68<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
69
70<UL>
71 <li> tiffio.h: Added VC_EXTRALEAN definition before including
72 windows.h, to reduce the compile time.
73
74 <li> tif_jpeg.c: Improve compilation under MinGW.
75
76 <li> {tif_aux.c, tif_dir.c, tif_dir.h, tif_dirwrite.c,
77 tif_print.c, tif_getimage.c}: Make InkSet, NumberOfInks, DotRange and
78 StoNits tags custom.
79
80 <li> {tif_aux.c, tif_dir.c, tif_dir.h, tif_print.c}: Make
81 WhitePoint tag custom.
82
83 <li> tiffio.h: fixed typo that potentially resulted in
84 redefininition of USE_WIN32_FILEIO
85
86 <li> {tif_dir.c, tif_dir.h, tif_print.c}: Make RichTIFFIPTC,
87 Photoshop and ICCProfile tags custom.
88
89 <li> libtiff/*, contrib/*: Added 'dual-mode' error handling, enabling
90 newer code to get context indicator in error handler and still
91 remain compatible with older code: Done TIFFError calls everywhere
92 except in tools.
93
94 <li> tiffinfo.c: Print EXIF directory contents if exist.
95
96 <li> {tif_dirinfo.c, tif_dirread.c, tif_dir.h, tif_dir.c}:
97 Custom directory read-only support.
98
99 <li> {tif_aux.c, tif_dirinfo.c, tif_dirread.c, tif_dir.h,
100 tif_dir.c, tif_print.c}: Make YCbCrCoefficients and ReferenceBlackWhite
101 tags custom.
102
103 <li> tif_dirread.c: One more workaround for broken StripByteCounts
104 tag. Handle the case when StripByteCounts array filled with
105 completely wrong values.
106
107 <li> tif_dirinfo.c: Release file descriptor in case of failure
108 in the TIFFOpenW() function as per bug
109 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=1003">
110 http://bugzilla.remotesensing.org/show_bug.cgi?id=1003</a>
111
112 <li> tif_dirinfo.c: Correctly yse bsearch() and lfind()
113 functions as per bug
114 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=1008">
115 http://bugzilla.remotesensing.org/show_bug.cgi?id=1008</a>
116
117 <li> tif_open.c, tiff.h, tiffdump.c: Incorporate preliminary support
118 for MS MDI format.
119 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=1002">
120 http://bugzilla.remotesensing.org/show_bug.cgi?id=1002</a>
121
122 <li> libtiff.def, tiffiop.h, tiffio.h: Made TIFFFreeDirectory
123 public.
124
125 <li> /tif_dirinfo.c: Make XResolution, YResolution and
126 ResolutionUnit tags modifiable during write process. As per bug
127 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=977">
128 http://bugzilla.remotesensing.org/show_bug.cgi?id=977</a>
129
130 <li> if_dirread.c: Don't try and split single strips into "0" strips
131 in ChopUpSingleUncompressedStrip. This happens in some degenerate
132 cases (like 1x1 files with stripbytecounts==0 (gtsmall.jp2 embed tiff)
133
134 <li> tif_fax3.c: changed 'at scanline ...' style warning/errors
135 with incorrect use of tif_row, to 'at line ... of
136 strip/tile ...' style.
137</UL>
138
139<P><HR WIDTH=65% ALIGN=left>
140
141<!-------------------------------------------------------------------------->
142
143<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
144
145<UL>
146 <li> tiffcp.c: Added many error reporting messages; fixed integer
147 overflow as per bug
148 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=789">
149 http://bugzilla.remotesensing.org/show_bug.cgi?id=789</a>
150
151 <li> tiffcp.c: Return non-zero status when reading fails.
152
153 <li> fax2tiff.c: Properly calculate sizes of temporary arrays
154 as per bug
155 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=943">
156 http://bugzilla.remotesensing.org/show_bug.cgi?id=943</a>
157
158 <li> fax2tiff.c: Added option '-r' to set RowsPerStrip parameter
159 as per bug
160 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=944">
161 http://bugzilla.remotesensing.org/show_bug.cgi?id=944</a>
162
163 <li> tiffdump.c: Fixed typeshift and typemask arrays initialization
164 problem as per bug
165 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=946">
166 http://bugzilla.remotesensing.org/show_bug.cgi?id=946</a>
167
168 <li> bmp2tiff.c: Fixed possible integer overflow error as per bug
169 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=965">
170 http://bugzilla.remotesensing.org/show_bug.cgi?id=965</a>
171
172 <li> tiffsplit.c: Copy fax related fields over splitted parts
173 as per bug
174 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=983">
175 http://bugzilla.remotesensing.org/show_bug.cgi?id=983</a>
176
177 <li> tiffdump.c: Fixed crash when reading malformed tags.
178
179 <li> tiff2pdf.c: Added missed 'break' statement as per bug
180 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=932">
181 http://bugzilla.remotesensing.org/show_bug.cgi?id=932</a>
182</UL>
183
184<P><HR WIDTH=65% ALIGN=left>
185
186<!--------------------------------------------------------------------------->
187
188<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIB AREA:</B></A>
189
190<UL>
191 <li> contrib/addtiffo/*: Major upgrade by Joris to support subsampled
192 YCbCr images in jpeg compressed TIFF files.
193
194</UL>
195
196Last updated $Date: 2006/01/04 23:38:38 $.
197
198</BODY>
199</HTML>
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